WELS.DE vs. CSSPX.MI
WELS.DE (Amundi S&P Global Health Care ESG UCITS ETF EUR Acc) and CSSPX.MI (iShares Core S&P 500 UCITS ETF USD (Acc)) are both exchange-traded funds - WELS.DE is a Health & Biotech Equities fund tracking the S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Health Care, while CSSPX.MI is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 3 years, WELS.DE returned 2.22%/yr vs 18.86%/yr for CSSPX.MI. At a 0.47 correlation, their price movements are largely independent. WELS.DE charges 0.18%/yr vs 0.07%/yr for CSSPX.MI.
Performance
WELS.DE vs. CSSPX.MI - Performance Comparison
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Returns By Period
In the year-to-date period, WELS.DE achieves a -3.35% return, which is significantly lower than CSSPX.MI's 11.35% return.
WELS.DE
- 1D
- 2.97%
- 1M
- 3.85%
- YTD
- -3.35%
- 6M
- -2.89%
- 1Y
- 7.18%
- 3Y*
- 2.22%
- 5Y*
- —
- 10Y*
- —
CSSPX.MI
- 1D
- -0.13%
- 1M
- 4.38%
- YTD
- 11.35%
- 6M
- 10.87%
- 1Y
- 25.56%
- 3Y*
- 18.86%
- 5Y*
- 14.77%
- 10Y*
- 14.96%
WELS.DE vs. CSSPX.MI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
WELS.DE Amundi S&P Global Health Care ESG UCITS ETF EUR Acc | -3.35% | 1.05% | 7.20% | 2.33% | 4.02% |
CSSPX.MI iShares Core S&P 500 UCITS ETF USD (Acc) | 11.35% | 4.27% | 33.76% | 22.03% | -3.29% |
Correlation
The correlation between WELS.DE and CSSPX.MI is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.33 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.45 |
Correlation (All Time) Calculated using the full available price history since Oct 12, 2022 | 0.47 |
The correlation between WELS.DE and CSSPX.MI shifts across timeframes, from 0.33 (1 year) to 0.47 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
WELS.DE vs. CSSPX.MI — Risk / Return Rank
WELS.DE
CSSPX.MI
WELS.DE vs. CSSPX.MI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Amundi S&P Global Health Care ESG UCITS ETF EUR Acc (WELS.DE) and iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| WELS.DE | CSSPX.MI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.76 | ||
| Sortino ratioReturn per unit of downside risk | -2.22 | ||
| Omega ratioGain probability vs. loss probability | 1.09 | 1.41 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | 0.56 | 3.59 | -3.03 |
| Martin ratioReturn relative to average drawdown | 1.30 | 12.78 | -11.49 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| WELS.DE | CSSPX.MI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.47 | 2.24 | -1.76 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.96 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.92 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.22 | 0.93 | -0.71 |
Drawdowns
WELS.DE vs. CSSPX.MI - Drawdown Comparison
The maximum WELS.DE drawdown since its inception was -23.13%, smaller than the maximum CSSPX.MI drawdown of -33.56%. Use the drawdown chart below to compare losses from any high point for WELS.DE and CSSPX.MI.
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Drawdown Indicators
| WELS.DE | CSSPX.MI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -23.13% | -33.56% | +10.43% |
Max Drawdown (1Y)Largest decline over 1 year | -12.35% | -7.14% | -5.21% |
Max Drawdown (3Y)Largest decline over 3 years | -23.13% | -23.26% | +0.13% |
Max Drawdown (5Y)Largest decline over 5 years | — | -23.26% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.56% | — |
Current DrawdownCurrent decline from peak | -12.08% | -0.41% | -11.67% |
Average DrawdownAverage peak-to-trough decline | -7.30% | -4.10% | -3.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.34% | 2.01% | +3.33% |
Volatility
WELS.DE vs. CSSPX.MI - Volatility Comparison
Amundi S&P Global Health Care ESG UCITS ETF EUR Acc (WELS.DE) has a higher volatility of 5.27% compared to iShares Core S&P 500 UCITS ETF USD (Acc) (CSSPX.MI) at 2.65%. This indicates that WELS.DE's price experiences larger fluctuations and is considered to be riskier than CSSPX.MI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WELS.DE | CSSPX.MI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.27% | 2.65% | +2.62% |
Volatility (6M)Calculated over the trailing 6-month period | 10.22% | 7.54% | +2.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 14.60% | 11.46% | +3.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.59% | 15.18% | -1.59% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.59% | 16.08% | -2.49% |
WELS.DE vs. CSSPX.MI - Expense Ratio Comparison
WELS.DE has a 0.18% expense ratio, which is higher than CSSPX.MI's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
WELS.DE vs. CSSPX.MI - Dividend Comparison
Neither WELS.DE nor CSSPX.MI has paid dividends to shareholders.
Frequently Asked Questions
WELS.DE and CSSPX.MI have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CSSPX.MI is cheaper at 0.07% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CSSPX.MI is cheaper with a 0.07% expense ratio, compared with 0.18% for WELS.DE.
WELS.DE is categorized as Health & Biotech Equities, while CSSPX.MI is S&P 500. WELS.DE tracks S&P Developed Ex-Korea LargeMidCap Sustainability Enhanced Health Care, while CSSPX.MI tracks S&P 500 Index. They also come from different issuers: Amundi and iShares. Their fees differ too: 0.18% for WELS.DE and 0.07% for CSSPX.MI.
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